The sound design of the hand reaching in is my favorite part of the game. I think a more animated movement might have been the way to go to make the game feel less basic. I would also love to see a scoring system based on the time you survived, or maybe a couple levels featuring different backgrounds or multiple hands, where the goal is to survive for a certain amount of time.
Cute idea, and fun to play even if there isn't too much to do after a while.